Someone who is optimistic is hopeful about the future or the success of something in particular. 乐观主义的
adjective [原级] 乐观的，乐观主义的；（估计）过于乐观的，高估的
The president says she is optimistic that an agreement can be worked out soon. 总统说，她对很快能达成协议持乐观态度。
后缀: istic
【adjective】 信仰…的，从事…的 - indicating a person who practices or supports a particular belief or activity
原词: optimistic
是通过后缀 【istic】 构成的派生词
- optimistic 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 8 Trading standards
optim(最好)+istic(…的)→什么都往最好处想的→乐观的
- 网友用 “Optimistic” 造句精选
- I'm cautiously optimistic. 我持谨慎的乐观态度。
- He has an optimistic view of life. 他乐观地看待人生。